Null_open() was only here to handle MNT_NODEV, but since that does not affect any filesystems anymore, it could only have any effect if you nullfs mounted a devfs but didn't want devices to show up. If you need that, there are easier ways.
Null_open() was only here to handle MNT_NODEV, but since that does not affect any filesystems anymore, it could only have any effect if you nullfs mounted a devfs but didn't want devices to show up. If you need that, there are easier ways.